Paper-padding apparatus.



E. B. HELFENSTEIN.

PAPER PADDING APPARATUS.

APPLICATION FILED wLYH. 1916.

1 ,27 3,78 1 Patented July 23, 1918.

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EDGAR LB. HELFENSTE1N, or LosiineELns; CALIFORNIA.

rnrnarannmq AIIBARATUS.

To all whom it may concern: 1

Be it known that I, EDGAR B. HELFEN- STEIN, a citizen of the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have invented new and useful Improvements in Paper-Padding Apparatus, of which the fol? lowingis a specification.v

This invention relates to a padding apparatusand pertains especially to a device for stacking, compressing and padding printedsheets to form tablets.

The objects of this invention are, first, to provide a device having a stacker which may be adjusted, so that the operations of placing sheets therein, jogging, measuring and drying the same, may be conveniently performed second, to provide the apparatus with means convenient of adjustment for compressing the stack formed; third, to provide the stacker with means toexpose a side of the stack formed and compressed therein for gluing the same to form tablets; and fourth, to provide the stacker with means for holding cord or other tying means, whereby the stacks may be formed in bundles without removing the same from the device. i

I accomplish these objects by means of the embodiment of my invention illustrated in the accompanying drawing, in which:

Figure 1 is a front elevationof the complete padding apparatus.

Fig. 2 is a plan- View of the padding ap'- paratus, with the stacker walls closed,"and a hinge securing a stackerzto the base.

Fig. 3 is a fragmentary perspective view showing a stacker imposition for loading and jogging; v i v.

Fig. 4.- is a fragmentary side elevation of the stacker showing'the means of tying the stack.

Referring more particularly to the drawing, 5 indicates a bed preferably an iron plate of rectangular form, and having'secured thereto at the ends stackers 6 and in which the sheets to be-padded are placed' Adjustably secured to the bed 5 is a press 8 arranged for compressing the stacks. Two stackers 6 and 7 are shown duplicates of each other and one will be described.

The stacker 6 comprises a base plate 9 which is preferably of iron and is formed with channels 10 extending parallel to themajor axis of the bed, when thestacker is Specification of Letters Patent.

Application filed. July 1 1, 1916. I Serial Ila 108,589.

Patented July 23, 1918'.

in an up-right position. Fixedly secured to the base plate9'is a wall 11 and secured to thefwall 11 by hinges 12 is a second wall 13, which may be swung outwardly exposing one side of a stack. Base plate 9 and walls 11 and .13 form a trough.

Formed on the wall 11 are ribs .14 which 7 are undercut on the inner faces for a purpose later described; A scale 15 is also 7 formed-on the wall 11' so that the height of the stacks may be measured and by this means the position at which cardboardbacks for the pads should be placed m'aybe determined. The scale'also serves to measure the height of the stack and thereby indi cate 'the number ofsheets therein. The

stackers are pivotally secured to, the bed 5 by hinges 16 with the pintles thereof disposed at 45 to the faces of the sta-ckers, as shown in Fig. 2. The stacker may beswung outwardly and into a position shown in dotted lines in Fig. 2, and in full lines in Fig.3, whereby the" stackermay be con veniently loaded. 7 A

A'catch 1'7 is formed on the wall 13' for locking the wall 13 to the base plate 9. This catch may be any convenientstructure such as iswell known' i i v Formed in the bed '5 intermediate the i stacks is an aperture in which is slidabl'y mounted a post 18. The latter has notches 19 formed on oppositely disposed sides. Channels 20 are formed in the bed 5 come municating with the post aperture and arranged transverse to the axis of the latter. A channel 21 communicates with channels 20 and is arranged transverse thereto. Mounted on each side of the post and within the channels 20 and 21 are angle pieces 28 forming catches. The catches 23 are'ara ranged to slide transversely of the post 18 withinthe channels 20 and to engage with the notches 19. The channels'QOserveaS guides to maintain'the' catchesin alinement. A tension spring 2 1 is mounted intermediate catches 23 and tends to draw them to-,

ward each other into engagement with the post 18. When the catches-23 are'disp'osed in notches 19 they lock the'post18 to the bed-5. In'order to release the catches 23 I have pivotally mounted on the bed'a cam 25-of such size and shape that when'the handle 26 secured thereto is rotated, the ends of the cam will engage "the catches 23. and'forcethem out of the notches, thereby releasing the post, and regulating the height of the vise suitable to the amount of stack to be compressed. Then the cam 23 is moved into the position shown in Fig. 2, i

' practice three sets of blocks of various sizes,

which by turning will fit the padding side of any-stack, would be provided for a machine. The under surface of the blocks is provided with channels 31 and transverse thereto channels 32. Blocks 30 are placed on the top of the stack and the vise bar 28 bears upon them in compressing the stacks.

In using the padding device the wall 13 is locked to the base plate 9 by means of the catch 17. The sheets to be stacked are divided into two equal piles. Stackers 6 and 7 are then swung outwardly to the position shown in Fig. 3. Ropes 33 for tying the stacks into bundles arc'placed in the channels 33 and in the channels formed between the ribs 14.. The ribs being undercut on their inner faces, the ropes will lie in the under cuts, and are thus held in place. Sheets are then placed in the stacker and jogged to aline the edges. If it is desired to dry the same they are left in this position. The channels formed between ribs 1 1 in the wall 11 and the channels formed in the base plate 9 serve as ventilating ducts. lVhen the sheets are dry, blocks 30 are placed in position. The ropes being disposed in channels 31 on theblocks bring them into position as shown in Fig. 1- for cinching the same after the padding operation has been completed.

The stacker is now swung upwardly into an upright position as shown in Figs. 1 and 2. The post 18 is adjusted to a posi tion suchthat the vise bar 28 is immediately above the stacks and the compression of the stack is produced by turning the screw 27 bringing the vise bar down upon the top of the blocks. The catches 17 are then unlocked, thereby releasing the walls 13 which are swung outwardly exposing the front face of the stacks. The position of wall 13 when swung open is shown'on the right hand stack in Fig. 1. The glue is now applied to the exposed front face and the ropes 33 are cinched forming a compact bundle. The vise bar 28 may then be moved upwardly relieving the pressure and the bundles removed, the pressure being mains.

tained in the bundles by the ropes. They are thus held in shape for drying of the glue.

In order to prevent the "ropes cutting 1nto the sheets and mutilating the same, protectors may be used in cooperation with the ropes. These protectors are shown in Flg. 4. and indicated by the numeral 34. They comprise strips preferably of wood which are of a convenient size for insertion in the slots 31 and 10 and have formed on one side a groove 35 within which the rope is disposed.

It is obvious that I have provided an apparatus whereby sheets may be dried, jogged, stacked and measured with convenience, and whereby they may be padded and tied into bundles. The device has a large capacity by reason of the facility by which the operations may be performed, and by reason of the tying of the stacks into bundles so that they may be removed from the device and dried. V

What I claim is: r Y

1. The combination of a bed, a stacker mounted on said bed so that it may be swung from an upright to a horizontal position, and means for applying downward pressure to a stack of paper in said stacker, when the latter is disposed in; an upright position, said means being secured to said bed.

2. The combination of a bed, a stacker mounted on said bed so that it may be swung from an upright to a horizontal position, said stacker comprising a pivotally mounted wall, andmeans for applying downward pressure to a stack of paper in said stacker when the latter is disposedin an upright position, said means being secured to said bed. I

3. The'combination of a bed, a stacker secured thereto so that it may be swung" from an upright to a horizontal position, a post adjustably mounted in said bed,locking means'for securing said post in selected positions, a screw mounted on said post, and a vise bar engaged by said screw for compressing a stack formed in said stacker.

4. The combination-of a bed, a stacker secured thereto so that it may be swung from an upright to a horizontal position,

said stacker being provided with a wall movable to expose a face of a stack formed therein, a post adjustably mounted in said bed, locking means for securing said post in adjusted positions, a screw mounted on said post, and a vlse bar engaged by said screw for compressing a stack formed in said stacker.

5. The combination of a bed, stackersse cured thereto at opposite ends, a post adjustably mounted on said bed intermediate said stackers, said post formed with notches on opposite sides, catches slidably mounted r0 thereto, so that it may be swung from a vertical to a horizontal position; and means mounted on said bed for applying clownward pressure to a stack of paper in said stackers.

7. In a paper padding device, the combination of a bed; a stacker hingedly secured thereto, so that it may be swung from a vertical to a horizontal position; said stacker comprising a fixed wall, and a wall hinged to said fixed wall.

8. In a paper padding device, the combination of a bed; a stacker hingedly secured thereto, so that it may be swung from a vertical to a horizontal position; said stacker comprising a fixed wall, and a wall hinged to said fixed wall; and means mounted on said bed for applying downward pressure to a stack of paper in said stacker.

9. In a paper padding device, the combi nation of a bed; a stacker hingedly secured thereto, so that it may be swung from a vertical to a horizontal position; said stacker comprising a wall having longitudinally extending grooves formed therein.

10. In a paper padding device, the combination of a bed; a stacker hingedly secured thereto, so that it may be swung from a vertical to a horizontal position, said stacker comprising 'a fixed wall and a wall hingedly secured to said fixed wall, and said stacker having longitudinal grooves in a wall thereof; and means mounted on said bed for applying downward pressure to stacks of paper formed in said stacker.

In witness that I claim the foregoing-I have hereunto subscribed my name this 26th day of June, 1916.

EDGAR BIIELFENSTEIN.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, 1). 0. 

